A suitcase is washed to the shore by a lake, and a secret marriage agency is exposed. A couple's strange marriage is also involved in the whirlpool of the incident.

The play is adapted from the novel of the same name.The story is set in a temporary marriage service, where Jung-won (Gong Yoo)After his first marriage failed, he met his second wife Inji (Seo Hyun-jin) through a temporary marriage service.), and Zhengyuan is the fifth husband Inji met through this service. The relationship between the two was shaken when the trunk in the lake was discovered...

Gong Yoo plays “ Jung Won, a music producer who feels uneasy and lonely because of the pain of his past, and Seo Hyun Jin plays ” In Ji, who works at a temporary marriage service company.                         

As a temporary spouse, Nojinji is assigned a new client.Meanwhile, Han Jung-won is going through hard times after divorcing his ex-wife Lee Seo-yeon.He just wants Seo-yeon back, but he has to go through a second marriage, which he doesn't want.

Experiencing the pain of her fiancé disappearing before the wedding.Then, as if by fate, I met someone and joined a secret company.Now, five years later, Inji is getting to know her new husband and ex-wife more and more.

Zhengyuan gradually opened his heart to his new wife.Seo-yeon notices Jung-won's change and tries to break him mentally.At the same time, a person related to Inji's past reappears.

During the days spent with Renji, the garden began to feel settled and peaceful.However, as his desire for recognition grows, Zhengyuan gets into trouble.Seo-yeon finds it hard to bear this situation that she has no control over.

After Zhengyuan learned of Yan Taicheng's existence, he tried to help Renzhi, but was flatly rejected.Seo-yeon receives a dire warning from someone.Zhengyuan's current wife and ex-wife had a fierce conflict at the funeral.

Seo-yeon demands an end to the complicated relationship between In-ji and Jung-won.In-chi secretly meets Seo-yeon in the garden and confronts her head-on.At the same time, a mysterious man was secretly wandering around Xu Daohe's villa.

Inji was horrified to see the blood stains left on the corridor, and opened the door of the villa with trembling heart.What is there waiting for recognition?The time to end the long wait may have arrived.

Jung Won learns of Seo Yeon's betrayal and deception.The final moments of a long and painful relationship between the two men.Determined to end everything, In-ji goes to see Tae-sung alone in the dark.